| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3806 |
80.5%
|
|
| 1 | 480 |
10.1%
|
|
| 2 | 306 |
6.5%
|
|
| 3 | 138 |
2.9%
|
|
| Sysmiss | 99 |